ANSI NULL ON/OFF:
This option specifies the setting for ANSI NULL comparisons. When this is on,
any query that compares a value with a null returns a 0. When off, any query
that compares a value with a null returns a null value.

QUOTEDIDENTIFIERON/OFF:
This options specifies the setting for usage of double quotation. When this is
on, double quotation mark is used as part of the SQL Server identifier (object
name). This can be useful in situations in which identifiers are also SQL
Server reserved words.